Chordates and Non-chordates, both the terms are used for animals and they belong to the different phyla of the animalia kingdom. The major point to differentiate between chordates and non-chordates is that chordates have a spinal cord or backbone in their body structure whereas non-chordates are without backbone or notochord in their body structure.
Characteristic Features of Chordates
Notochord is a supportive structure, stiff rod-like structure which is the characteristic of chordates.
Dorsal hollow nerve cord is part of the Central Nervous System of chordates and it is concerned with stimulus and nerve impulses.
Pharyngeal gill slits are an important part of the respiratory system and it gets perforated with gill slits.
Post anal tail is present at the end of the anus in chordates in the form of a short extension.
Here is the tabular structure to highlight the differences and students will get an easy understanding to distinguish between chordates and non-chordates in their examinations.
Distinguish Between Chordates and Non Chordates